Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced Harmonics are introduced None of the listed here Waveform becomes non-sinusoidal Voltage round the coil is reduced Harmonics are introduced None of the listed here Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Zero leading Zero lagging Unity 0.866 Zero leading Zero lagging Unity 0.866 ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ Generally delta connected Star-delta connected None of the listed here Always star connected Generally delta connected Star-delta connected None of the listed here Always star connected ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The rotor of a turbo alternator is made cylindrical in order to reduce_______ None of the listed here Windage loss Hysteresis loss Eddy current loss None of the listed here Windage loss Hysteresis loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP